The elemental composition of swimbladders in some deepwater fishes of the North Atlantic

The elemental composition of swimbladders in some deepwater fishes of the North Atlantic The first data on the elemental contents of the swimbladder wall of three deepwater fish species from the North Atlantic (the snubnosed spiny eel Notacanthus chemnitzii, the Kaup’s arrowtooth eel Synaphobranchus kaupii, and the roughhead grenadier Macrourus berglax) are presented. It is supposed that survival of specimens of the first two species upon their ascent from great depths that subject them to sharp changes of pressure is connected with the properties of the durable and flexible swimbladder walls with increased contents of some metals (aluminum, copper, iron, mercury, potassium, manganese, chromium, and cadmium). Adaptation to sharp changes of pressure in N. chemnitzii and S. kaupii probably develops during ontogeny, during the transition from habitation in the epipelagic zone during the larval stage to the deepwater habitat of the adult fish. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

The elemental composition of swimbladders in some deepwater fishes of the North Atlantic

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Publisher
Springer Journals
Copyright
Copyright © 2016 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1134/S1063074016060080
Publisher site
See Article on Publisher Site

Abstract

The first data on the elemental contents of the swimbladder wall of three deepwater fish species from the North Atlantic (the snubnosed spiny eel Notacanthus chemnitzii, the Kaup’s arrowtooth eel Synaphobranchus kaupii, and the roughhead grenadier Macrourus berglax) are presented. It is supposed that survival of specimens of the first two species upon their ascent from great depths that subject them to sharp changes of pressure is connected with the properties of the durable and flexible swimbladder walls with increased contents of some metals (aluminum, copper, iron, mercury, potassium, manganese, chromium, and cadmium). Adaptation to sharp changes of pressure in N. chemnitzii and S. kaupii probably develops during ontogeny, during the transition from habitation in the epipelagic zone during the larval stage to the deepwater habitat of the adult fish.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: Jan 21, 2017

References

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